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While recent measurement studies have shown the effectiveness of P2P network in media streaming, there have been questions raised about the quality of service (QoS), reliability of streaming services and sub optimal uplink utilization in particular. P2P streaming systems are inherently less reliable because of churn, internet dynamics, node heterogeneity and randomness in the swarm. We present a new...
In this paper, we present a swarm based peer to peer media streaming model. In our approach, nodes that serve the maximum content to their peers have a higher utility to the swarm and become candidates for direct relay of stream from the media server. This reward forms a natural incentive for the nodes to contribute to the swarm. Nodes cluster into small groups, called alliances, for a symbiotic association...
Peer to peer models are based on user altruism, where a user shares his content. Real life P2P systems suffer from free rider's problem. Many nodes contribute much more than they should while others get a free ride for downloading the content. We present a simulation based study of BitTorrent like P2P systems. We propose a self punishing and self healing model that dissuades the users from cheating...
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